Shimano GRX RD-RX812 Rear Derailleur - 11-Speed, Long Cage, Black, With Clutch, For 1x RD0605

The Shimano GRX 11-speed rear derailleur provides silent and uninterrupted rear shifting on rough terrain. An adjustable Shimano Shadow RD+ clutch prevents chain slapping and drops.

• For 1x drivetrains
• Compatible with Shimano road Dual Control Levers
• Gravel-tuned clutch tension provides smooth and reliable mixed surface shifting